index

HYDROARC warnings in force as of 061405Z oct 17: 317/17, 315/17, 314/17, 313/17, 312/17, 308/17, 307/17,…

HYDROARC 319/17

issued: 2017-10-06 14:05Z
status: cancelled 2017-10-13 17:30Z (archive)
cancels: HYDROARC 309/17
authority: SFHGA 061405Z OCT 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 061405Z OCT 17:
   317/17, 315/17, 314/17, 313/17, 312/17, 308/17,
   307/17, 306/17, 299/17, 298/17, 297/17, 293/17,
   288/17, 287/17, 284/17, 276/17, 274/17, 268/17,
   267/17, 253/17, 251/17, 250/17, 235/17, 230/17,
   229/17, 228/17, 225/17, 224/17, 217/17, 204/17,
   197/17, 189/17, 188/17, 152/17, 151/17, 148/17,
   139/17, 138/17, 124/17, 123/17, 104/17, 97/17,
   72/17, 59/17.
   205/16, 155/16.
   345/15, 343/15, 320/15, 248/15.
   269/14, 268/14, 131/14.
   220/12, 193/12, 112/12.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NGAPortal/MSI.portal.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
3. CANCEL HYDROARC 309/17.

Timeline

HYDROARC warnings in force as of 291148Z sep 17: 308/17, 307/17, 306/17, 303/17, 300/17, 299/17, 298/17,…cancels · 2017-09-29
HYDROARC warnings in force as of 291148Z sep 17: 308/17, 307/17, 306/17, 303/17, 300/17, 299/17, 298/17,…replaced · 2017-09-29
HYDROARC warnings in force as of 131729Z oct 17: 334/17, 333/17, 332/17, 331/17, 330/17, 328/17, 327/17,…cancelled by · 2017-10-13

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Worldwide now

8 index warnings in force

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.